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mechanical tissues中文是什么意思

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用"mechanical tissues"造句"mechanical tissues"怎么读"mechanical tissues" in a sentence

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  • 机械组织

例句与用法

  • Bifacial leaf and mesophyll tissue contain crystals , phloem is rich in saliferous vacuoles , and the mechanical tissue is developed
    异面叶,叶肉组织中含有晶体,韧皮部内富含含盐液泡泡,机械组织发达。
  • There are 2 - 3 layers of long - column - shaped palisade tissue under the upper epidermis , and there are a great number of mechanical tissues which made up of vascular bundle sheath
    上表皮下方有2 - 3层长柱形的栅栏组织,在主脉大侧脉外方具有由大量机械组织组成的束帽或束鞘。
  • Palisade parenchyma takes a larger proportion than spongy tissue in mesophyll . different from other dicotyls , the cortex in c album l . is composed of mechanical tissue and assimilating tissue , which are alternately arranged with each other
    藜与其它双子叶植物不同,其茎的皮层呈明显的机械组织和同化组织相间排列,其中同化组织形态类似海绵组织细胞;机械组织突起成棱。
  • 14 species are edible plants , 37 species are medicinal plants , 11 species are ornamental plants and31 species are feeding plants , the major types of halophytic vegetation in hebei province include ptenothalophyta such as tamarix chinensis brush and siberian brush , and littoral halophytic vegetation such as succulent vegetation , poion , chomophyte and etc . epidermal cell exosporium of tamarix chinensis blade is papillous and capillaceous ; stoma and salt - secreting gland are under the epidermis ; differentiation level of mesophyll tissue is rather high ; porder camber is obvious ; and mechanical tissue is developed
    河北省盐生植物的经济价值较高,其中可食用的盐生植物共计14种,可药用的盐生植物37种,可饲用的盐生植物31种,具有观赏价值的盐生植物11种,可以作为纤维植物计约9种。河北省主要盐生植被类型有柽柳灌丛、西伯利亚白刺灌丛等落叶灌丛和肉质型、禾草型、杂类草型盐尘植被等滨海盐生植被。
  • In this project , culms of lodging - sensitive and lodging - resistant varieties of wheat ( triticum aestivum l ) were compared at the morphological level to determine the anatomical features that are associated with these traits . this analysis revealed that lodging resistant culms are short , possess thicker mechanical tissue , and had larger vascular bundles
    首先以不同品种的小麦为实验材料,对其主要非叶器官?茎秆,从解剖结构、木质素含量、以及抗倒伏的力学特性等方面做了详细的比较研究。
  • There are many adaptive changes in the two research subjects ( artemisia . songarica schrenk . and seriphidium . santolinum ( schrenk ) polijak . ) in morphology and anatomy , such as with the increase of the daily age , the root - shoots ratio increased ; the root became stronger ; the ratio of leaf volume and leaf area increased ; the volume of epidermic cell decreased ; the cut - icle and phellem layer on the surface of root thickened . stoma caved in leaf ; epidermal hair of leaf and stem well - developed , palisde tissue developed well , the cell gap decreased ; the spongy tissue disappeared ; leaf is kinds of isolateralthat is the typical xeromorphic structure ; crystal cell and fibric cell increased ; conducting tissue and mechanical tissue developed well ; bundle sheath appeared
    实验研究的两种菊科( compositae )植物(准噶尔沙蒿( artemisiasongaricaschrenk )和沙漠绢蒿( seriphidiumsantolinum ( schrenk ) poljak . ) ) ,形态解剖方面的变化表现为:随日龄增加,根长/株高比值日益增大;根系逐渐发达;体积与叶面积比逐渐增大;表皮细胞体积变小;角质层增厚;根外部出现加厚的木栓层;气孔下陷;叶、茎部的表皮毛密布,栅栏组织日益发达;而细胞间隙日渐变小;海绵组织逐渐消失;叶面结构常为典型旱生结构? ?等叶面;晶细胞及纤维细胞数目增多;输导组织、机械组织日渐发达;具有维管束鞘等等。
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